/*
 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     Nuxeo
 */

package org.nuxeo.ecm.platform.publisher.remoting.marshaling.io;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.io.ExportedDocument;
import org.nuxeo.ecm.core.io.impl.AbstractDocumentReader;
import org.nuxeo.ecm.core.io.impl.ExportedDocumentImpl;
import org.nuxeo.ecm.core.io.impl.plugins.DocumentModelReader;

import java.io.IOException;

/**
 * {@link DocumentModelReader} that reads the {@link DocumentModel} from a String.
 *
 * @author tiry
 */
public class SingleXMlDocumentReader extends AbstractDocumentReader {

    protected Document xmldoc;

    public SingleXMlDocumentReader(String data) throws DocumentException {
        xmldoc = DocumentHelper.parseText(data);
    }

    @Override
    public ExportedDocument read() throws IOException {
        if (xmldoc != null) {
            ExportedDocument xdoc = new ExportedDocumentImpl();
            xdoc.setDocument(xmldoc);
            close();
            return xdoc;
        } else {
            return null;
        }
    }

    public void close() {
        xmldoc = null;
    }

}
